<?php

class ProductController extends Controller {

    /**
     * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
     * using two-column layout. See 'protected/views/layouts/column2.php'.
     */
    public $layout = '//layouts/admin';

    /**
     * @return array action filters
     */
    public function filters() {
        return array(
            'accessControl', // perform access control for CRUD operations
        );
    }

    /**
     * Specifies the access control rules.
     * This method is used by the 'accessControl' filter.
     * @return array access control rules
     */
    public function accessRules() {
        return array(
            array('allow', // allow all users to perform 'index' and 'view' actions
                'actions' => array('index', 'view'),
                'users' => array('*'),
            ),
            array('allow', // allow authenticated user to perform 'create' and 'update' actions
                'actions' => array('create', 'update'),
                'users' => array('*'),
            ),
            array('allow', // allow admin user to perform 'admin' and 'delete' actions
                'actions' => array('admin', 'delete'),
                'users' => array('*'),
            ),
            array('deny', // deny all users
                'users' => array('*'),
            ),
        );
    }

    /**
     * Displays a particular model.
     * @param integer $id the ID of the model to be displayed
     */
    public function actionView($id) {
        $this->render('view', array(
            'model' => $this->loadModel($id),
        ));
    }

    /**
     * Creates a new model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     */
    public function actionCreate() {

        $model = new Product;

        // Uncomment the following line if AJAX validation is needed
        // $this->performAjaxValidation($model);

        if (isset($_POST['Product'])) {
            $supplier = User::model()->findByPk(Yii::app()->user->id);
            $category = Category::model()->findByPk($supplier->business);
            $model->attributes = $_POST['Product'];
            $model->description =$category->name.' - '.$model->description;
            $model->created_by = $supplier->id;
            $model->created_time = time();
           // $model->category_id = $supplier->business;
            $model->image = CUploadedFile::getInstance($model, 'image');
            if ($model->image != null) {
                $model->image->saveAs(Yii::app()->getBasePath() . '/medias/product/images/' . $model->created_by . $model->created_time . '.' . $model->image->getExtensionName());
                $model->image = $model->created_by . $model->created_time . '.' . $model->image->getExtensionName();
            }
            if ($model->save()) {
                $imodel = new Image;
                $imodel->filename = $model->image;
                $imodel->title = $model->name;
                $imodel->product_id = $model->id;
                $imodel->save();
                $smodel = new SupplierProduct;
                $smodel->product_id = $model->id;
                $smodel->unit = '1000';
                $smodel->unit_price = 1000;
                $smodel->supplier_id = Yii::app()->user->id;
                $smodel->created_by = Yii::app()->user->id;
                $smodel->created_time = time();
                $smodel->save();
                $this->redirect(array('view', 'id' => $model->id));
            }
        }

        $this->render('create', array(
            'model' => $model,
        ));
    }

    /**
     * Updates a particular model.
     * If update is successful, the browser will be redirected to the 'view' page.
     * @param integer $id the ID of the model to be updated
     */
    public function actionUpdate($id) {
        $model = $this->loadModel($id);
        $image = $model->image;
        // Uncomment the following line if AJAX validation is needed
        // $this->performAjaxValidation($model);

        if (isset($_POST['Product'])) {
            $model->attributes = $_POST['Product'];
            $model->image = CUploadedFile::getInstance($model, 'image');
            $newImage = FALSE;
            if ($model->image != null) {
                $model->image->saveAs(Yii::app()->getBasePath() . '/medias/product/images/' . $model->created_by . $model->created_time . '.' . $model->image->getExtensionName());
                $model->image = $model->created_by . $model->created_time . '.' . $model->image->getExtensionName();
                $newImage = TRUE;
            } else {
                $model->image = $image;
            }
            if ($model->save()) {
                if ($newImage) {
                                $imodel = new Image;
                                $imodel->filename = $model->image;
                                $imodel->title = $model->name;
                                $imodel->product_id = $model->id;
                                $imodel->save();
                }
                $this->redirect(array('view', 'id' => $model->id));
            }
        }

        $this->render('update', array(
            'model' => $model,
        ));
    }

    /**
     * Deletes a particular model.
     * If deletion is successful, the browser will be redirected to the 'index' page.
     * @param integer $id the ID of the model to be deleted
     */
    public function actionDelete($id) {
        if (Yii::app()->request->isPostRequest) {
            // we only allow deletion via POST request
            $this->loadModel($id)->delete();
            SupplierProduct::model()->find('product_id = ' . $id)->delete();
            // if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
            if (!isset($_GET['ajax']))
                $this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
        }
        else
            throw new CHttpException(400, 'Invalid request. Please do not repeat this request again.');
    }

    /**
     * Lists all models.
     */
    public function actionIndex() {
        $dataProvider = new CActiveDataProvider('Product',
                        array(
                            'criteria' => array(
                                'condition' => 'created_by = ' . Yii::app()->user->id,
                            ),
                        )
        );
        $this->render('index', array(
            'dataProvider' => $dataProvider,
        ));
    }

    /**
     * Manages all models.
     */
    public function actionAdmin() {
        $time = null;
        $model = new Product('search');
        $model->unsetAttributes();  // clear any default values
        if (isset($_GET['Product'])) {
            $time = $_GET['Product'];
            $time['created_from'] = strtotime($time['created_from']);
            $time['created_to'] = strtotime($time['created_to']);
            $time['modified_from'] = strtotime($time['modified_from']);
            $time['modified_to'] = strtotime($time['modified_to']);
            $model->attributes = $time;
        }
        $this->render('admin', array(
            'model' => $model,
            'time' => $time,
        ));
    }

    /**
     * Returns the data model based on the primary key given in the GET variable.
     * If the data model is not found, an HTTP exception will be raised.
     * @param integer the ID of the model to be loaded
     */
    public function loadModel($id) {
        $model = Product::model()->findByPk((int) $id);
        if ($model === null)
            throw new CHttpException(404, 'The requested page does not exist.');
        return $model;
    }

    /**
     * Performs the AJAX validation.
     * @param CModel the model to be validated
     */
    protected function performAjaxValidation($model) {
        if (isset($_POST['ajax']) && $_POST['ajax'] === 'product-form') {
            echo CActiveForm::validate($model);
            Yii::app()->end();
        }
    }

}
